Form Validation - Should Return Message Like "should Not Be Empty" When User Leaves Field Blank
Oct 8, 2010
I want to do a form validation and it should return a message like "should not be empty" when the user leaves the field blank..
I have html code like this
Now I want to know how can i display alert message to the user saying that the particular label name should not be empty..
For eg.. here I want to display alert as "Did you find this article useful? field should not be empty".... (Assuming this is mandatory)
I have so many fields like this in my form(checkbox, radio buttons, etc...) and i want to display alert with label name...
How can I do this using javascript.. (I know how to do validation in javascript popping up the alert(without label name), But I am not sure how to display alert with label name))))
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Feb 28, 2011
I have a scenario where I have the following jquery
Code:
$("#frompdc<?php echo $JavaCnt;?>").change(function(){
var id = $('#id<?php echo $JavaCnt;?>').attr('value');
var frompdc = $('#frompdc<?php echo $JavaCnt;?>').attr('value');
var topdc = $('#topdc<?php echo $JavaCnt;?>').attr('value');
$.ajax({
type: "POST",
url: "AJ_Update.php",
data: "firm=y&id="+ id + "&frompdc=" + frompdc&topdc=" + topdc
});
And some php to insert this data
Code:
mysql_query("UPDATE TBLTRANSFERS SET FROMPDC = ".$_POST['frompdc'].", MOD_TS = '". $timenow ."' WHERE ID = ".$_POST['id']);
I'm trying to throw some validation in here which I can do in php (a language that I'm much more proficient in) but can't figure out how to get the two together. I want to be able to do a select against another table I have for both the frompdc and the topdc.
Code:
$tofpdcresult = mysql_query("SELECT * FROM tbltransferspdcexclusions where FROMPDC = '".$frompdc."' AND TOPDC = '".$topdc."'");
$tofpdcnum_rows = mysql_num_rows($tofpdcresult);
And if it exists I want to give a popup message to the user as well as blank out the field.
I'm struggling with two things:
How do I get ajax to run two queries and return the results to a popup window?
How do I blank out the field in the form?
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Oct 12, 2009
I am making a call to a php file which right at this minute has no validation, all validation is been done by the jquery form plugin. the validation (xss prevention soon to be implemented) in the thanks fails I want to stop the processing of the form i.e. stop the return of success.
[Code]...
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Mar 11, 2011
I have a three field contact form on an HTML5 page. Using CSS3/HTML5 techniques, the fields change state as the info is entered properly (green OK symbol if good, red "!" if not, etc). That all works as expected in all browsers.
My final hurdle is preventing the form being submitted with nothing entered in the fields. I have done hours of research and have tried several ways of writing the checkFeedbackForm function. My problem is that none of the solutions I've found are recognized by FireFox (mac and pc) and IE. They just ignore the javascript and allow the empty form to be emailed.
[Code]..
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Apr 23, 2011
I want to carry out form validation for drop down lists. My website has 10 drop down lists. I want an alert message to be displayed whenever the user selects a blank field from a drop down list. One of the sample drop down list runs as follows:
[Code]...
How can I include a function that displays an alert message whenever a user selects a blank option from the drop down list?
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Nov 21, 2011
I want to pop up message incase of validation failure of form field.If I use document.write("name shold be between 2 to 15 char only")it redirects to new page and gives this message..........if I use alert than incase or 2 or more validation fail it gives multiple or one by one alert boxes.I want to to displey my message near to field...............
function validateForm()
{
var x=document.forms["regform"]["email_id"].value;
[code]....
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Nov 2, 2011
I'm having trouble changing the font color of my labels ONLY when I stop the form from submitting due to blank fields. I'm not sure whether if just changing my CSS will achieve what I want, or am I going to have to add somethig to my if else statement, or both? I would think I would need to change CSS to :
label.onfocus {
color:red;
}
but a little confused on what else.
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
[Code]...
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May 28, 2009
In my form I have a couple of text fields into which the user enters
[Code]...
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Apr 26, 2011
[URL]
I'm currently setting up a site which will have a contact form and I'm using the validation plugin.
Currently the 'This field is required' message shows up after the form's input fields. What I want to do is have the message show up after the name label of the field.
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Jul 13, 2010
I have a couple of forms which use JS validation and if the validation checks out the forms action is a new php page which sends the form (see code below). It all works fine but occasionally blank emails come through. After researching some people say I shouldn't use client side validation. Is there an easier way by tweaking the code I have rather than changing it all completely?
<script language="php">
$email = $HTTP_POST_VARS[email];
$mailto = "info@xxxxxxxx.com";
$mailsubj = "mail form";
[Code].....
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Jul 23, 2005
I have a web form with several fields. If I copy & paste from a RTF document into a field, the javascript validation and field length are bypassed and cause the form to fail.
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Jan 8, 2010
I want to prevent submitting a form if any of the field is empty. also if possible I would like to validate some basic things. All I want to use JQuery: How do I do that? I have no way and google points me to plugins. The things I want to do are lightweight and I don't need plugin Here is my form:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>Login in Site</title>
<link rel="stylesheet" type="text/css" href="/loginsys/site.css" />
[Code]...
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Aug 3, 2009
I need to take some action when the user leaves my website. By leave I mean one of the following two cases:
1) Closes the browser
2) Goes to some other site (different domain)
Is there a way to detect this? I know that the event onbeforeunload and onunload gets fired when the user leaves the page, but these also get fired when the user leaves page A in my site and just goes to page B in my site. I don't want to alter every link within my site to fire the onclick event and in such event to "remember" in a JavaScript variable this is a navigation within my site. I am looking for some clean solution if one exists. For example, is there a way to get the information in the DOM where the user is going to when the onbeforeunload or onunload are fired?
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Jul 13, 2011
I am trying to validate a web form. Someone else wrote the Html code and implemented it with an iframe using asp and php. I didn't want to mess too much with the code so I decided to use javascript to make the form validate, before it was sending email alerts with every field blank. For the most part the validation works but it skips the email field for some reasons and is really bugging me to death. this is the code:
<head>
<link type="text/css" rel="stylesheet" href="CSS/style.css"/>
<title>Bid Form</title>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<script src="gen_validatorv4.js" type="text/javascript"></script>
<script type="text/javascript">
[Code]...
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Mar 31, 2009
I'm trying to figure out with Java Script how I would have Java Script check and see if a check box is or not empty. The goal is to only allow the user to have one box checked at any time in a form. That means, if they click on another one and there is already one checked, it would uncheck the one that was checked and make the one that the person checked on next checked.
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Aug 17, 2010
I have created several validations to my forms in the web site.If a particular field is empty then a message box displayed "Please enter name/address/contact number etc.At the same time if I added data successfully to the database there is a message box displaying and saying " Data has been added successfully to the database".But the icon displayed of the message boxes are similar in both these situations.(When something not entered and successfully entered)I want to know how can the icon of the message box can be changed?It should be appeared differently for a successful data entry.....
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Feb 26, 2007
On one of my sites, I have a reather involved page (searchable map).
When the person leaves the page then all the AJAX generated
information is lost. Is there a way that I can retain all this data
in a cookie or so or how would you recommend I saved all the users
information (perhaps using a database on the serverside).
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Mar 2, 2011
A website I'm designing vgdesign.net/thc has a form in the footer. It functions how I want right now (to my knowledge) except for the fact that after a user submits a form and it passes validation, I want a message to be displayed that says "Thank You". I have a class created for this in my stylesheet but I don't know how to trigger it when the form is sent successfully. Essentially, I would like the result to look like this:
If the form doesn't pass validation, I want it to not display until the users fix the errors in the validation pop ups and resubmit. The php script that sends the form contents to the specified email is at the top of my index.php page. The validation tool I'm using is called jquery inline form validations (found here: [URL] How can I have that success message pop up when the form was successfully submitted?
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Jul 26, 2011
i have created one simple login form with 5 fields namely username,email id,password,retype password and phone no.and i have created one alert message for each function so that it displays alert message when there is an error.now i want to replace alert message with INLINE VALIDATION(displays beside text only)....kindly tell me how to do....
<html>
<head>
<meta charset="utf-8">
[code]....
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Dec 21, 2009
I need to validate two forms containing multiple input fields but want just one error message if any of the fields are left blank, the page is required to submit the users details (registration form). Also if any of these fields are left blank i don't want to be able to go to the next page on clicking the submit button
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Oct 21, 2010
In a registration form middleName field is optional. When the users enters his/her middleName, then it should validate that field. I have used the following code to achieve the above scenario, but it is not working.
$("#middleName").rules("add", {checkName: true, required: false, messages: {checkName: "Please enter a valid middle name"} });
jQuery.validator.addMethod("checkName",
function(value, element) {
var regExp = new RegExp(/^[a-zA-Z0-9s|,|.|-|']+$/);
return regExp.test(value);
},
"Please enter a valid name."
);
How to achieve the above scenario.
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Feb 3, 2009
The following form validation script works, currently if one of the five fields are completed, a message appears the remaining field(s) must be completed etc. Although the information the user has inputted in the first field is cleared. How can this information be available, if there is one problem in the form it doesn't make sense that the user must re-input all the information again. I look forward to hearing your response,
function validate_form ( )
{
valid = true;
[code]....
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Jul 23, 2010
I'm setting an empty hidden div as the value of a form field and then calling inline div opener using thickbox.js:
Code:
<a href="#" onclick="javascript:document.getElementById('previewdiv').innerHTML = document.forms['form1'].content.value;tb_show('Preview','#TB_inline?height=550&width=500&inlineId=previewdiv');"><span class="icon-32-preview" title="Preview"></span>Preview</a>
<div id="previewdiv" name="previewdiv" style="display:none;"></div>
The thickbox opens with the title "Preview", but is empty.I've alerted the div after setting it, and it does contain the formfield value.Why might this be happening? I've also tried setting the div like this (foo as dummy text - to no avail):
Code:
$('#previewdiv').html('foo');
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Mar 29, 2009
I've created a simple code example shown below, the problem is when I run it on IE it returns a blank value, while FF return the selected value. I've built a website using this idea, and the problem is I didn't try on IE until it's too late. This is the code, run it in FF it will work, run it in IE the message is blank !!
Code:
<html><head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<title>Untitled Document</title>
</head><body>
<script type="text/javascript">
function showvalue() {
alert(document.getElementById("region").selectedIndex.toString);
}
</script>
<select id ="region" onclick="javascript:showvalue()">
<option>test 1</option>
<option>test 2</option>
</select></body></html>
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Aug 22, 2010
I don't know how hard this is / isn't to do, but I wondered if it is possible to use Javascript / jQuery (I have the library included on the page I need to edit) to display a message below a text input field if the field is populated.
The reason I need it is that if the user fills the field in, I would like to add an instruction message underneath the field. If the field remains empty, I don't want the text to display.
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Mar 26, 2010
I would like to passwith the help of javascript empty non-mandatory fields to my perl script (and replace them with a custom value). The form mailer script only passes the mandatory fields. When non mandatory fields are filled , these are added to the list of passed field values, otherwise the list includes only the mandatory ones. I'd like to pass all values even the empty ones so that the person receiving the submitted data via email can easily export them to a database via a macro written by somebody else. Another requirement from client: The predefined values must not show up in the form fields when loading the page with the form.
How can I check for empty values as well as for tabs or blank spaces and replace each of these fields with a value = "not available"? I tried to do solve this for empty fields (no tabs, no blank spaces) but my solution does not work properly. It requires me to click the submit button 3 times before the form is submitted (because with every click the "not available" value is added in each empty field.
[Code]...
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